P. Armstrong

Baobabs: remnant of Gondwanaland?

P. Armstrong, 1977 .

Trace-metal pore water geochemistry of nearshore bermuda carbonate sediments

W. Lyons, H. Gaudette, G. Smith, 1980 .

Geology and Ore Deposits of Elbow Lake area, northern Manitoba

P. Armstrong, 1923 .

Zircon as criterion of igneous or sedimentary metamorphics

P. Armstrong, 1922 .